San Rafael de Onoto weather in September

In September, San Rafael de Onoto sees average daytime highs of 30°C and overnight lows near 22°C, with 169 mm of rain across 26.8 wet days and about 12.1 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 6% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is San Rafael de Onoto's 9th-clearest and 11th-windiest month. For the whole year in context, see San Rafael de Onoto's year-round climate.

Daytime high
30°
9th warmest
Overnight low
22°
3rd coldest
Rainfall
169 mm
26.8 wet days
Daylight
12 h 06 min
5:59 AM – 6:02 PM
Cloud cover
80%
9th clearest
Wind
4 km/h
11th windiest
Solar energy
4.97 kWh/m²
Travel score
2.9
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical September day in San Rafael de Onoto reaches about 30°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163022
173022
183022
193022
203022
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022

How September really feels in San Rafael de Onoto

Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

San Rafael de Onoto weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°102.411.54.4
Feb34° / 22°92.211.73.7
Mar34° / 23°274.811.93.2
Apr33° / 23°11414.212.23.0
May31° / 23°22624.612.43.0
Jun29° / 22°26027.412.63.0
Jul29° / 22°24328.812.53.1
Aug29° / 22°20728.612.33.0
Sep30° / 22°16926.812.12.9
Oct30° / 22°14924.711.83.1
Nov31° / 22°10519.311.63.5
Dec31° / 22°378.511.44.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12179
22179
32278
42278
52278
62179
72179
82179
92179
102179
112080
122080
132080
141981
151981
161882
171882
181783
191684
201684
211684
221585
231585
241684
251684
261684
271684
281684
291585
301684

Chance of precipitation in September

Any precipitation

San Rafael de Onoto gets around 169 mm of rain over 26.8 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 89% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
189
288
388
488
589
689
789
889
990
1090
1190
1290
1391
1491
1591
1691
1792
1891
1991
2091
2191
2290
2390
2489
2589
2688
2787
2887
2986
3086

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the oppressive band about 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1955
2955
3955
4955
5955
6955
7946
8946
9946
10946
11946
12946
13946
14946
15946
16946
17946
18946
19946
20946
21946
22946
23946
24946
25946
26946
27946
28955
29955
30955

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over September. Sunrise moves from 6:00 AM to 5:57 AM, and sunset from 6:11 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:006:11
212.26:006:11
312.26:006:10
412.26:006:09
512.26:006:09
612.16:006:08
712.15:596:08
812.15:596:07
912.15:596:06
1012.15:596:06
1112.15:596:05
1212.15:596:04
1312.15:596:04
1412.15:596:03
1512.15:596:02
1612.15:596:02
1712.05:596:01
1812.05:586:01
1912.05:586:00
2012.05:585:59
2112.05:585:59
2212.05:585:58
2312.05:585:57
2412.05:585:57
2512.05:585:56
2612.05:585:55
2712.05:585:55
2811.95:585:54
2911.95:585:54
3011.95:575:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.97 kWh/m².

For context, solar energy here swings from a low near 4.29 kWh/m² to a high of 5.6 kWh/m² in March across the year — September's 4.97 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Hazard calendar for San Rafael de Onoto

In seasonPeak

In September, San Rafael de Onoto sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

San Rafael de Onoto's monsoon runs May–October, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit San Rafael de Onoto?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.9
Sightseeing
12th-best month of the year
4.0
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in San Rafael de Onoto.

What to pack for San Rafael de Onoto in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, San Rafael de Onoto sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

UV index in San Rafael de Onoto in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Rafael de Onoto peaks around February 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highFeb 22UV 13Dec 12UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec9Very high

Air quality in San Rafael de Onoto in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in San Rafael de Onoto is worst in March — around 33 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 14 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2233 µg/m³Dec 2014 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb20Moderate
Mar33Moderate
Apr31Moderate
May30Moderate
Jun30Moderate
Jul25Moderate
Aug22Moderate
Sep21Moderate
Oct21Moderate
Nov18Moderate
Dec14Moderate
Location & terrain

Where is San Rafael de Onoto?

San Rafael de Onoto sits at 9.7°N, 69.0°W, 163 m above sea level, in Venezuela. The nearest listed city is Acarigua, 28 km away.

Topography around San Rafael de Onoto

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Rafael de Onoto.

Within 3 km, the terrain around San Rafael de Onoto has only modest variations in elevation — a maximum elevation change of 222 m around an average of 175 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 655 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,170 m.

The land around San Rafael de Onoto is covered by trees (53%) and grassland (27%) within 3 km, trees (58%) and grassland (26%) within 16 km, and trees (50%) and grassland (34%) within 80 km.

3 km
222 m
16 km
655 m
80 km
2,170 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Acarigua 28 km · Araure 31 km · Las Vegas 41 km · Villa Bruzual 42 km · San Carlos 42 km · Píritu 43 km · Yaritagua 48 km · Los Rastrojos 49 km

Venezuela travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 0% of US
price level, 2011
GDP per capita
$3,495
2025
Happiness
5.8 / 10
World Happiness, 2025
Homicide rate
12.6
per 100k, 2022
Road deaths
39
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 520
Religion
Roman Catholic 48%Protestant 32%none 14%believer 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for San Rafael de Onoto (9.6781°, -68.9728°, elevation 163 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).